Process Equipment and Plant Design The safe height (h) to diameter (d) ratio (i.e., h/d) for liquid/petro fuel storage tank of capacity more than 45 kilolitres is less than 1 3 3.5 2 1 3 3.5 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) 4P²/πd (P² - πd²/4)/πd Πd/4P² 4(P² - πd²/4)/πd 4P²/πd (P² - πd²/4)/πd Πd/4P² 4(P² - πd²/4)/πd ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area. 2.5 to 4.0 5 to 10 10 to 15 0.5 to 1.5 2.5 to 4.0 5 to 10 10 to 15 0.5 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a pressure vessel containing multiple openings of various dimensions at different parts, stress concentration at the edges of the opening is maximum which becomes negligibly small beyond the area covered by __________ times the hole diameter. Twenty Two Five Ten Twenty Two Five Ten ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter. 1/30th 1/20th 1/10th 1/50th 1/30th 1/20th 1/10th 1/50th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the case of a shell and tube heat exchanger, the logarithmic mean temperature difference Is always less than arithmetic mean value, but more than geometric mean value May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current Is always less than arithmetic average value Is always more than arithmetic mean value and the geometric mean value Is always less than arithmetic mean value, but more than geometric mean value May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current Is always less than arithmetic average value Is always more than arithmetic mean value and the geometric mean value ANSWER DOWNLOAD EXAMIANS APP